Kailei is a distinctive girls' name in United States, ranking #4353 in 2003 with 30 recorded births. The name reached its all-time peak in 2004 with 34 births ranking #4135. Since 1996, the popularity has increased by 275.0%. In 2003, approximately 1 in every 60,902 girls born was named Kailei. FALLING Recent data shows the name is currently falling.